Improvement in coal-stoves



T. L. STU RTEVANT.

Coal Stove. K

Patented July n, 18,65.`

l FETWS Maunqnpner. wn mmm. n. c,

UNITED STATES PATENT OFFICE.

THOS. L. STURTEVANT, OF BOSTON, MASSACHUSETTS.

IMPROVEM ENT IN -COAL-STOVES.

' tends down into the body, but has a smokespace, D, encompassing it, and arranged between it and the body, and covered at top. The radiator :is open at its upper and closed at its lower end, and near the latter it has a series of small air-pipes, b b b, leading from it through the said smoke-space D and to the cylinder A, and so as to open through the latter and convey air into the radiator and give support to the latter. There is a grate,E, and an ash-chamber, F, arranged at the lower part of the body A, the fire-place or fuel-space T above the grate having a soapstone or lireproof lining, G. A series of pipes, H H, each ofvwhich opens through the bottom c of the stove, is led up through the tire-place and against the inner surface of the re-proot' lining thereof,and to and so that such pipe shall open through the bottom of the radiator.

These pipes H H not only serve to convey air into the radiator, but to hold the lining in place and protect it more or less from the fuel. Besides this, they abstract-heat from the fuel when in combustion, and radiate such heatinto the air when flowing through them. There is an eduction-pipe, h, leading out of the upper part of the smoke-space D; and, further'- more, both the fire-place and the ash-pit should have the several mouths or openings v2 la provided with doors, such openings being for the admission ot' air and fuel to the iire-place, as Well as for the removal of the coal and ashes from the stove, as circumstances may require.

I claiml. The improved stove as constructed not only with the radiator B and smoke-space D about the saine, arranged with the fire-place T and ash-pit F, as specified, but as provided with a series of air-pipes, H H H, leading into the radiator and going through the fire-place, and with respect to the fire-prooi' lining thereof, substantially as specied.

2. In combination with the stove so made, the series of lateral air-pipes b b b, leading ontof thelower partof the ventilator and opening through the sides of the case, as specified.

T. L. STURTEVANT. 

